At the 2017 census, only 24.8% of the population age 15 and older in the Gambier Islands still reported that Mangarevan was the language they spoke the most at home (down from 38.6% at the 2007 census), while 62.6% reported
French as the main language spoken at home (up from 52.3% at the 2007 census), 4.9% reported
Tahitian (down from 6.4% in 2007), and 4.6% reported some Chinese dialects (predominantly
Hakka) (up from 3.5% in 2007). The ten years between 2007 and 2017, based on official census numbers, have seen a global decline in the number of Mangarevan-speaking adults (i.e. people aged 15 and older who reported that Mangarevan was the language they spoke the most at home): The larger portion of the population in the Gambier Islands speak French. ==History==